Cita APA (7th ed.)

Olivia Rivera, H., & Ramon Farias, F. (1992). First record of Ledenbergia macrantha Standley (Phytolaccaceae) in the state of Veracruz, Mexico. Instituto de Ecología, A.C.

Cita Chicago (17th ed.)

Olivia Rivera, Hector, i Feliza Ramon Farias. First Record of Ledenbergia Macrantha Standley (Phytolaccaceae) in the State of Veracruz, Mexico. Instituto de Ecología, A.C, 1992.

Cita MLA (9th ed.)

Olivia Rivera, Hector, i Feliza Ramon Farias. First Record of Ledenbergia Macrantha Standley (Phytolaccaceae) in the State of Veracruz, Mexico. Instituto de Ecología, A.C, 1992.